Fellmann, J. D., Getis, A., & Getis, J. (2008). Human geography: Landscapes of human activities (Tenth edition.). McGraw-Hill Companies Inc.
Cita Chicago (17th ed.)Fellmann, Jerome Donald, Arthur Getis, i Judith Getis. Human Geography: Landscapes of Human Activities. Tenth edition. New York, NY: McGraw-Hill Companies Inc, 2008.
Cita MLA (9th ed.)Fellmann, Jerome Donald, et al. Human Geography: Landscapes of Human Activities. Tenth edition. McGraw-Hill Companies Inc, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.